212754797 has 2 divisors, whose sum is σ = 212754798. Its totient is φ = 212754796.

The previous prime is 212754793. The next prime is 212754803. The reversal of 212754797 is 797457212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160250281 + 52504516 = 12659^2 + 7246^2 .

It is a cyclic number.

It is not a de Polignac number, because 212754797 - 2² = 212754793 is a prime.

It is a super-2 number, since 2×212754797² = 90529207293022418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212754793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106377398 + 106377399.

It is an arithmetic number, because the mean of its divisors is an integer number (106377399).

Almost surely, 2^212754797 is an apocalyptic number.

It is an amenable number.

212754797 is a deficient number, since it is larger than the sum of its proper divisors (1).

212754797 is an equidigital number, since it uses as much as digits as its factorization.

212754797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 44.

The square root of 212754797 is about 14586.1165839301. The cubic root of 212754797 is about 596.9800073176.

The spelling of 212754797 in words is "two hundred twelve million, seven hundred fifty-four thousand, seven hundred ninety-seven".